package com.zslin.business.wx.tools;

import com.alibaba.fastjson.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;
import java.net.URLEncoder;

public class WeixinUtil {

	private static Logger log = LoggerFactory.getLogger(WeixinUtil.class);
	public static final String POST = "POST";
	public static final String GET = "GET";

	/**
	 * 
	 * 发起https请求并获取结果
	 * 
	 * 
	 * 
	 * @param requestUrl
	 *            请求地址
	 * 
	 * @param requestMethod
	 *            请求方式（GET、POST）
	 * 
	 * @param outputStr
	 *            提交的数据
	 * 
	 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
	 */

	public static JSONObject httpRequest(String requestUrl,
										 String requestMethod, String outputStr) {

		JSONObject jsonObject = null;

		StringBuffer buffer = new StringBuffer();

		try {

			// 创建SSLContext对象，并使用我们指定的信任管理器初始化
			TrustManager[] tm = { new MyX509TrustManager() };
			SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");

			sslContext.init(null, tm, new java.security.SecureRandom());

			// 从上述SSLContext对象中得到SSLSocketFactory对象
			SSLSocketFactory ssf = sslContext.getSocketFactory();

			URL url = new URL(requestUrl);

			HttpsURLConnection httpUrlConn = (HttpsURLConnection) url
					.openConnection();

			httpUrlConn.setSSLSocketFactory(ssf);

			httpUrlConn.setDoOutput(true);

			httpUrlConn.setDoInput(true);

			httpUrlConn.setUseCaches(false);

			// 设置请求方式（GET/POST）

			httpUrlConn.setRequestMethod(requestMethod);

			if ("GET".equalsIgnoreCase(requestMethod))

				httpUrlConn.connect();

			// 当有数据需要提交时

			if (null != outputStr) {

				OutputStream outputStream = httpUrlConn.getOutputStream();

				// 注意编码格式，防止中文乱码

				outputStream.write(outputStr.getBytes("UTF-8"));

				outputStream.close();

			}

			// 将返回的输入流转换成字符串

			InputStream inputStream = httpUrlConn.getInputStream();

			InputStreamReader inputStreamReader = new InputStreamReader(
					inputStream, "utf-8");

			BufferedReader bufferedReader = new BufferedReader(
					inputStreamReader);

			String str = null;

			while ((str = bufferedReader.readLine()) != null) {

				buffer.append(str);

			}

			bufferedReader.close();

			inputStreamReader.close();

			// 释放资源

			inputStream.close();

			inputStream = null;

			httpUrlConn.disconnect();

//			jsonObject = JSONObject.fromObject(buffer.toString());
//			jsonObject = new JSONObject(buffer.toString());
			jsonObject = JSONObject.parseObject(buffer.toString());

		} catch (ConnectException ce) {

			log.error("Weixin server connection timed out.");

		} catch (Exception e) {

			log.error("https request error:{}", e);

		}

		return jsonObject;

	}
	
	//转码
	 public static String urlEnodeUTF8(String str){
	        String result = str;
	        try {
	            result = URLEncoder.encode(str,"UTF-8");
	        } catch (Exception e) {
	            e.printStackTrace();
	        }
	        return result;
	    }

}